Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
  • G11B17/02—Details
  • G11B17/022—Positioning or locking of single discs
  • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
  • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
  • G11B17/02—Details
  • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
  • G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
  • G11B17/051—Direct insertion, i.e. without external loading means

Definitions

• the present invention relates to a disk device for recording or reproducing data on or from a disk-shaped recording medium such as a CD or DVD, and more particularly to a so-called slot-in type disk which can be directly inserted from the outside and can still be directly ejected. It relates to a chucking device suitable for the device. Background art
• the width of the apparatus must be increased in order to use a transport roller longer than the diameter of the disk.
• the transport roller also increases the thickness.
• an object of the present invention is to provide a chucking device that can be made thinner and smaller.
• the present invention focuses on reducing the height space for inserting a disk above a turntable in a standby state in which a disk is not inserted into a disk device, and a chuck that can reduce the thickness of the disk device. It is intended to provide a device. Disclosure of the invention
• the chucking device is a chucking device for arranging a plurality of claw bodies movably in a radial direction of a hub body of a turntable, and holding the disc by pressing the disc center hole with the claw body.
• the hub body has a topper and a claw portion that can protrude outward, and a claw side. It has a hub-side stopper that comes into contact with the stopper, a coil spring is used as an elastic member, and the outer end of the coil spring is provided below the inner end.
• the coil spring can be urged so that the tip of the claw faces downward, and the position of the claw in the standby state where the disc is not held by the claw is determined by the disc. It can be lower than the position of the claw in the recording / playback state held by the claw. Therefore, according to the present embodiment, the height space for inserting the disk above the turntable can be reduced in the standby state where the disk is not inserted into the disk device, and the thickness of the disk device can be reduced. be able to.
• a coil spring is used as the flexible member, and the claw body is provided with a rear end surface with which the outer end of the coil spring comes into contact.
• the rear end surface has a first surface with which the upper part of the coil spring abuts and a second surface with which the lower part of the coil spring abuts, and the boundary between the first and second surfaces is convex. In short, the angle between the first surface and the second surface has been changed.
• the tip of the claw portion is located below, and the claw body can be tilted and lifted to eliminate the bending of the coil spring, thereby providing a stable elastic force.
• a coil spring is used as an elastic member, and the claw body has a rear end face with which the outer end of the coil spring abuts.
• the rear end surface has a first surface with which the upper part of the coil spring abuts and a second surface with which the lower part of the coil spring abuts, and the first surface and the second surface are substantially parallel. It has a step.
• the tip of the claw portion is located below, and even when the claw body is tilted up and down, the coil spring can be prevented from bending and a stable elastic force can be applied.
• a coil spring is used as the flexible member, and the claw body is provided with a rear end face with which the outer end of the coil spring comes into contact.
• the rear end surface has a "! Surface on which the upper portion of the coil spring contacts, and a second surface on which the lower portion of the coil spring contacts, and the axial direction of the coil spring in contact with the first surface.
• it is different from the axial direction of the coil spring in a state of contact with the second surface.
• the coil spring when the claw tip is located below and the claw body is tilted, the coil spring does not bend, and a stable elastic force can be applied.
• the fifth embodiment of the present invention is directed to a chucking device according to the second embodiment, wherein the upper surface of the coil spring is in contact with the upper portion of the rear end surface, and the upper surface is aligned with the center line of the coil spring. It is vertical.
• a chucking device is a chucking device for arranging a plurality of claw bodies movably in a radial direction of a hap body of a turntable, and holding the disc by pressing the disc center hole with the claw body.
• the claw body has a claw portion that comes into contact with the disc, and a claw-side stopper that restricts outward movement by an elastic member.
• the hub body has a claw portion that can protrude outward. It has a claw opening and a hub-side stopper that comes into contact with the claw-side stopper.
• the height at the end is to be increased. According to the present embodiment, the space below the inner end of the coil spring can be effectively used while securing the height of the space for operating the claw. For example, by disposing a bearing, The thickness of the disk device can be reduced.
• a disk device is a disk device using the chucking device according to the first to sixth embodiments, wherein a chassis exterior is constituted by a base body and a lid, A disc insertion slot for directly inserting a disc is formed on the front surface of the exterior, a spindle motor and a pickup are held by a traverse provided on the base body, a turntable is provided on the upper surface of the spindle motor, and a traverse is provided. It is made to approach and separate from the main body.
• the height space for inserting the disk above the turntable can be reduced, so that the disk can be directly inserted from the outside. It is suitable for a so-called slot-in type disk device that can directly discharge.
• H 1 is a top perspective view of the hub body of the chucking device according to one embodiment of the present invention.
• FIG. 2 is a bottom perspective view of the hub body.
• Fig. 3 is a front view of the hub body.
• Figure 4 is a rear view of the hub body
• Figure 5 is a side view of the main body
• Fig. 6 is a sectional view taken along the line A-A in Fig. 3.
• Fig. 7 is a sectional view taken along line BB in Fig. 3.
• FIG. 8 is a bottom perspective view of the claw body of the chucking device according to the present embodiment.
• Fig. 9 is an external perspective view of the upper surface of the nail body.
• Fig. 10 is a perspective view of the inside of the upper surface of the nail body.
• Fig. 11 is a side view of the claw body
• Fig. 12 is a side sectional view of the claw body.
• Figure 13 is a front view of the claw body
• Figure 14 is a rear view of the nail body
• Fig. 15 is a sectional view of the main part of the chucking device, showing a standby state or a state immediately after the disk is inserted into the disk device.
• Fig. 16 shows a state in which the same chucking device is raised toward the disk by a predetermined distance from the state shown in Fig. 15.
• Fig. 17 is a cross-sectional view of the main part of the chucking device showing the state where the tip of the claw is inserted into the center hole of the disc.
• FIG. 18 is a cross-sectional view of a main part of the chucking device, showing a state in which the chucking device has been raised to the disk side by a predetermined distance from the state of FIG. 17.
• FIG. 19 is a cross-sectional view of a main part of the same chucking device, showing a state after a predetermined time has elapsed from the state of FIG. 18.
• FIG. 20 is a cross-sectional view of a main part of the chucking device, showing a state after a predetermined time has elapsed from the state of FIG.
• Fig. 21 is a cross-sectional view of the main part of the chucking device showing the completion of chucking of a thin disk.
• Fig. 22 is a cross-sectional view of the main part of the chucking device, showing the medium-thick disk having been chucked.
• Fig. 23 is a cross-sectional view of the main part of the chucking device, showing the completion of chucking of a thick disk.
• ⁇ 24 is a plan view of a main part of the base body of the disk device according to the present embodiment.
• Fig. 25 is a sectional side view of the main part of the disk drive.
• # 26 is a side view of the sub-slider of the disk device
• FIG. 27 is a plan view of a main part of the base main body showing a state where a first predetermined time has elapsed from the start of the disk chucking operation of the disk device according to the present embodiment.
• Fig. 28 is a side sectional view of the main part in the same state.
• Fig. 29 is a side view of the sub-slider in the same state.
• FIG. 30 is a plan view of a main part of the base body showing the down state after the second predetermined time has elapsed from the down state in FIG.
• Fig. 31 is a sectional side view of the main part in the same state.
• Fig. 32 is a side view of the sub-slider in the same state.
• FIG. 33 is a plan view of a main part of the base main body showing a state in which the traverse is at the highest position after a third predetermined time has elapsed from the state of FIG.
• Fig. 34 is a side sectional view of the main part in the same state.
• Fig. 35 is a side view of the sub-slider in the same state.
• FIG. 36 is a plan view of a main part of the base body showing a recording / reproducing state of the disc after a fourth predetermined time has elapsed from the state of FIG.
• Fig. 3 shows a sectional side view of the main part in the same state.
• Figure 38 shows a side view of the sub-slider in the same state.
• FIG. 39 is a side view showing a main part of the nail body according to the first embodiment.
• FIG. 40 is a side view of a main portion showing the claw body according to the embodiment.
• FIG. 41 is a side view of a main part showing the claw body according to the second embodiment.
• FIG. 42 is a side view showing a main part of the nail body according to the embodiment.
• FIG. 2 is a bottom perspective view of the hub body
• FIG. 3 is a front view of the hub body
• FIG. 4 is a rear view of the hub body
• FIG. 5 is a side view of the hub body
• FIG. 6 is a sectional view taken along line AA in FIG. 3
• FIG. 7 is a sectional view taken along line BB in FIG.
• the hub body 150 of the turntable is formed in a dish shape with a disk-shaped upper surface 151, and a side surface 152 set up on the outer periphery of the upper surface 151.
• a motor shaft hole 153 is formed for fitting the rotary shaft of the spindle motor.
• the Huff main body 150 is provided with three claw openings 154 radially. These claw openings 154 are provided in a range from the outer periphery of the upper surface 15 1 to the side surface 152, and the side opening width of the side surface 152 is larger than the upper surface opening width of the upper surface 151. And then
• hap body 150 On the back side of the hap body 150, there are provided three coil stoppers 150 protruding from the outer periphery of a ring-shaped rib 1553A forming a hole 1553 for the motor shaft. These coil stoppers 155 are provided radially toward the claw opening 154.
• a plurality of connecting ribs 15 OA for connecting the ring-shaped ribs 15 3 A and the side surfaces 152 are provided on the back side of the hap body 150. Then, a pair of connecting ribs 15 OA are used to separate one coil stop 1 55 and the nail opening 1 54 located in the axial direction of the coil stop 1 55 so as to separate the space from the other space.
• a nail accommodating space 150B in which 170 is disposed is formed.
• a hap-side stopper 150 A and the hub-side stopper 156 A inside the hub body 15 are provided on the opposing inner peripheral surfaces of the pair of connecting ribs forming the claw receiving space 15 OB.
• An inner guide surface 156 composed of an inclined surface that gradually increases toward the center of 0 is provided.
• the inner guide surface 156 is composed of at least a first inclined surface and a second inclined surface.
• upward receiving surfaces 15 are formed on the upper surfaces of both sides of the claw opening 154 on the side surface 152, and lower surfaces are formed on both sides of the claw opening 154 on the upper surface 151.
• a facing surface 158 is formed.
• ⁇ 8 is a bottom perspective view of the claw body of the chucking device according to the present embodiment
• FIG. 9 is a top outer perspective view of the claw body
• FIG. 10 is a top inside perspective view of the claw body
• FIG. 1 is a side view of the nail body
• FIG. 12 is a side sectional view of the nail body
• FIG. 13 is a front view of the nail body
• FIG. 14 is a rear view of the nail body.
• the nail body 1 is composed of a nail part 1 and guide parts 172 arranged on both sides of the nail part 1.
• the hook 1 When the hook 1 is attached to the hap body 150, the hook 1 is connected to the tip 1 7 1A located at the outermost periphery of the hub body 150 and the tip 1 to 1A.
• An upper surface 1B 1B composed of a surface and a disk holding surface 1C 1C connected to the lower end 1A 1A in a downward direction and abutting on the disk center hole.
• a tapered surface 1D is provided inside the upper surface 17 1B.
• a rear end surface 173 for contacting the coil spring is formed inside the claw portion 1, and the rear end surface 173 is provided with a coil stopper 1 5 formed by a projection.
• a recess 1 A 3 A is formed around the upper side of the coil stop 1 75 at the rear end face 1 3.
• the recess 173A can form a first surface on which the upper part of the coil spring comes into contact and a second surface with which the lower part of the coil comes into contact on the rear end surface 1-3. Note that a projection is formed at the boundary between the first surface and the second surface depending on the angle between the first surface and the second surface.
• the upper surface of the coil spring is perpendicular to the center line of the coil spring in a state where the upper portion of the coil spring is in contact with the depression 1 A of the rear end surface 1 3.
• the lower end surface 1 4 of the guide portion 172 is formed in an arc shape.
• the inside of the guide part 172 is provided so as to protrude toward the claw side stopper 176 or 11 side.
• the downward guide surface 17 and the disc holding surface 1 are located below the tip 171A of the claw 1 1 1
• An upward guide surface 1 to 8 is provided at a position higher than 1 C.
• the downward guide surface 1 end is located at a position facing the upward receiving surface 15 end, and the claw portion 170 is positioned at the top.
• the downward guide surface 17 slides along the upward receiving surface 15.
• the upward guide surface 1 to 8 is disposed at a position facing the downward receiving surface 158.
• the outer end of the upward guide surface 178 is higher than the upward guide surface 178.
• the end of the downward guide surface 1 includes at least a first inclined surface and a second inclined surface.
• FIG. 15 is a cross-sectional view of a main part of the chucking device, showing a standby state or a state immediately after the disk is inserted into the disk device.
• the hub body 150 is provided at the center of the upper surface of the spindle motor 31A.
• the claw body 170 is disposed between the hap body 150 and the receiving surface 31B on one side of the rotor of the spindle motor 31A.
• a coil spring 180 is provided as an elastic member between the coil stopper 150 of the hub body 150 and the coil stopper 170 of the claw body 170. That is, the claw body 170 is urged outward from the hub body 150 by the coil spring 180.
• the coil spring 180 has its outer end on the coil stop 1 end 5 side provided at a position lower than the inner end on the coil stop 150 side.
• the claw-side stopper 176 is abutted against the hub-side storage box 81-156A so that the claw body 170 does not protrude outward.
• the contact position between the claw-side stopper 1 176 and the hap-side stopper 1 56 A is set to the inside of the hub body 150 rather than the claw 17 1, and the coil spring 1 8 It is below the center line of 0.
• the claw portion 1 of the main body 1 0 is not more than the height of the upper surface 15 1 of the bracket 150.
• the outer end of the coil spring 180 has its upper part in contact with the recess 173A in the rear end face 173. The same applies to the standby state where no disc is inserted.
• the receiving surface 31B has a height at the inner end side of the coil spring 180 higher than the height at which the lower end surface 174 of the claw body 17 ⁇ contacts. In this way, by raising the receiving surface 31B on the inner end side of the coil spring 180 and providing a space below the inner end side of the coil spring 180, the spindle is provided in this space.
• the bearing of the motor 31 A can be arranged.
• FIG. 16 is a cross-sectional view of a main part of the chucking device, showing a state where the chucking device has been raised to the disk side by a predetermined distance from the lying state of FIG.
• the claw portion 17 1 is pressed by the disk from the upper surface 17 1 B. .
• the claw side stopper 1776 slides along the inner guide surface 1556. That is, the claw-side stopper 176 slides in such a manner that it gradually becomes higher toward the inside of the main body 150.
• the downward guide surface 177 slides along the upward receiving surface 157. Therefore, the claw body 1 is moved inward of the hub body 15 ⁇ by the sliding of the claw side stopper 1776 and the downward guide surface 177.
• FIG. 1 is a cross-sectional view of the main part of the chucking device showing the state where the tip of the claw is inserted into the center hole of the disc.
• FIG. 19 is a cross-sectional view of a main part of the chucking device showing a state where the distance is raised, and
• FIG. 19 is a cross-sectional view of a main part of the same chucking device showing a state after a predetermined time has elapsed from the state of FIG.
• H17 shows a state in which the tip 1171A of the claw 1 is inserted into the center hole of the disc. Then, when the chucking device is further raised to the disk side from the state shown in the figure “!”, As shown in FIG. 18, the distal end 17 1 A of the claw part 1 is formed in the center hole of the disk. Inner surface Slide along. In the present embodiment, the upward movement toward the disk due to the interaction between the claw portion 1a1 of the chucking device and the hap body 150 reaches the position shown in FIG. ⁇ ⁇ In the position shown in 18, that is, in the limit state of ascending to the disk side due to the interrelation between the claw 17 1 and the hub body 150, the claw 1 is completed.
• the upper guide surface 1 57 of the main body 1 50 is in contact with the lower guide surface 1 74 of the claw portion 1 1 and the lower end surface 1 74 of the main body 1 50 is in contact with the receiving surface 3 1 B on the mouth side.
• A is in contact with the inner surface of the center hole of the disk
• Coil spring 1 80 Bias part 1 80 Tip 1 1 1 End 1 Set the relationship between the frictional resistance between A and the disk appropriately And figure "! From the state of 8, the tip 1 of the claw 17 1 slides on the inner wall surface of the center hole of the disk without operating the chucking device. In the operation after the position shown in FIG. 18, the downward guide surface 17 of the claw portion 1 1 is separated from the upward guide surface 15 of the hook body 150.
• the tip portion 171 A of the claw portion 1 remains in contact with the inner peripheral surface of the disk center hole, the tip portion 171 A gradually moves upward on the inner peripheral surface of the disk center hole.
• the lower end surface 1 of the claw portion 1 1 is still in contact with the receiving surface 3 1 B on the mouth side, and the point of contact between the lower end surface 1 74 and the receiving surface 3 1 B is slightly smaller. Move to one side.
• the inner guide surface 156 includes at least the first inclined surface and the second inclined surface as described above.
• the first inclined surface is pressed when the disc is pressed from above the claw 1 1, when the tip 17 1 A of the claw 17 1 is inserted into the center hole of the disc, or when the disc is in the center hole.
• the surface on which the claw-side stopper 176 comes into contact before it is inserted into the disk is inserted into the center hole of the disc. This is the surface that the nail stopper 1 after 6 comes into contact with later.
• the angle of the second inclined surface with respect to the pressing direction is smaller than that of the first inclined surface.
• the downward guide surface 177 is composed of at least the first inclined surface and the second inclined surface as described above.
• the first inclined surface is defined as the upward receiving surface 157 when the tip 1 of the claw 1 is inserted into the center hole of the disk or before the A is inserted into the center hole of the disk.
• the second inclined surface is a surface that comes into contact with the upward receiving surface 157 after the tip portion 171A of the claw portion 171 is inserted into the center hole of the disc. .
• the angle of the second inclined surface with respect to the pressing direction is smaller than that of the first inclined surface.
• the first inclined surface of the downward guide surface 177 is constituted by an arc surface
• the second inclined surface of the downward guide surface 177 is constituted by a flat surface.
• the inner guide surface 1 56 and the downward guide surface 1 are composed of the first inclined surface and the second inclined surface, so that the claw portion 1 from the state shown in FIG. Sliding between the tip 17 1 A of 71 and the inner wall surface of the center hole of the disk can be stably performed.
• FIG. 20 is a cross-sectional view of a main part of the same chucking device, showing a state after a lapse of a predetermined time from the state of FIG.
• the tip 171 A of the claw portion 1 1 protrudes beyond the upper surface of the disc, indicating that the chucking is completed, and the recording / reproducing state is set.
• the outer end of the coil spring 180 is recessed in the rear end face 173 at the top. 1 1 Contact with 3A.
• the claw portion 171 is located at a position higher than the upper surface 151 of the hub body 150.
• the disc holding surface 17 1 C of the pawl 17 1 is in contact with the upper end of the disc center hole, and the tip 1 1 A of the pawl 1 1 is on the outer peripheral side of the disc center hole. At the same time, it protrudes from the top of the disk.
• the upward guide surface 1 8 of the claw portion 1 1 contacts the downward receiving surface 158 of the hub, and the lower end surface 174 of the claw portion 1 1 contacts the receiving surface 31 B on the rotor side.
• ⁇ 21 is a cross-sectional view of the main part of the chucking device showing the completed state of the thin disk
• FIG. 22 is a cross-sectional view of the main part of the same chucking device showing the completed state of the medium-thick disk
• FIG. 3 is a cross-sectional view of a main part of the chucking device, showing a chucking completion state of a thick disk.
• the pawl body 170 moves outward from the hub body 150 as compared with the case where the disc shown in FIG. Claw part 1 end 1 tip 1 end 1 A position lower.
• the claw body 170 moves outside the hap body 150 as compared with the case where the disk shown in FIG. 23 is thick. The position of the tip 17 A of the claw 17 1 is lowered.
• the claw height is reduced. Can be suppressed.
• FIG. 24 is a plan view of a main part of a base body of the disk device according to the present embodiment
• FIG. 25 is a sectional side view of a main part of the disk device
• FIG. 26 is a side view of a sub-slider of the disk device.
• a chassis exterior is constituted by a base body and a lid, and a bezel is mounted on a front surface of the chassis exterior.
• the disk device according to the present embodiment is a slot-in type disk device in which a disk is directly inserted from a disk inlet provided in a bezel.
• a disc insertion slot 11 for directly inserting a disc is formed on the front side of the base body 10.
• a traverse 30 is arranged on the base body 10.
• the traverse 30 holds a spindle motor 31A, a pickup 32, and a driving means 33 for moving the pickup 32.
• the rotating shaft of the spindle motor 31A is provided with a hub body 150 for holding a disk.
• the spindle motor 31A is provided on one end side of the traverse 30, and the pickup 32 is arranged on the other end side of the traverse 3 in the standby state or the chucking state.
• the pickup 32 is provided movably from one end to the other end of the traverse 30.
• the driving means 33 includes a driving motor, a pair of rails for sliding the pickup 32, and a gear mechanism for transmitting the driving of the driving motor to the pickup 32.
• the pair of rails is connected to one end of the traverse 30 and the other. So that it connects with the end side, It is arranged on both sides of the pickup 32.
• the spindle motor 31A is located at the center of the base body 1 ⁇ , and the reciprocating range of the pickup 32 is located closer to the disk insertion roller 11 than the spindle motor 31A.
• the pickup 32 is arranged such that the reciprocating direction of the pickup 32 is different from the disc insertion direction.
• the reciprocating movement direction of the pickup 32 and the insertion direction of the disc are at an angle of 4 ° to 45 °.
• the traverse 30 is supported on the base body 10 by a pair of fixed cams 34A and 34B. It is preferable that the pair of fixed cams 34A and 34B be disposed closer to the pickup 32 than the spindle motor 31A, and disposed at a position closer to the disk insertion roller 11 than the standby position of the pickup 32.
• the fixed cam 34A is provided at a central portion near the inside of the disc insertion slot 11, and the fixed cam 34B is provided at one end near the inside of the disc insertion slot 11.
• the fixed cams 34A and 34B are each formed of a groove having a predetermined length extending in the disk insertion direction. One end of the groove on the disk insertion slot 11 side is closer to the pace body 10 than the other end.
• the cam pins 35A and 35B slide in the grooves of the fixed cams 34A and 34B so that the disc 30 is inserted into and ejected from the disc (X). (In the axial direction) and in the direction (axial direction) in which the base body 10 approaches or separates from the base body 10. -The following describes the main slider 4 ⁇ and the sub-slider 50 for operating the traverse 30.
• the main slider 40 and the sub-slider 50 are disposed so as to be located on the side of the spindle motor 31A.
• the main slider 140 is disposed such that one end thereof is on the front surface side of the chassis body 10 and the other end is on the rear surface side of the chassis body 10.
• the sub-slider 50 is arranged in a direction orthogonal to the main slider 40.
• a cam mechanism for displacing the traverse 30 includes a slider cam mechanism 51 and an elevating cam mechanism 52, and is provided on the sub-slider 50.
• the slider cam mechanism 51 is formed of a groove of a predetermined length extending in the moving direction of the sub-slider 50. The groove extends from one end (main slider 140 side) end to the other end of the disk insertion slot.
• the elevating cam mechanism 52 is formed of a groove having a predetermined length extending in the moving direction of the sub-slider 5 mm. This groove extends from one end (main slider 40 side) end to the other end side of the base body 1. The distance to Z (Z-axis distance) is changed stepwise.
• the elevating pin 54 provided on the traverse 30 slides in the groove of the elevating cam mechanism 52, thereby displacing the traverse 30 in a direction (in the direction of the Z axis) in which the traverse 30 approaches and separates from the base body 10. be able to.
• a loading motor (not shown) is provided at one end of the main slider 40.
• the drive shaft of the mouth motor and one end of the main slider 40 are connected via a gear mechanism (not shown).
• the main slider 40 By driving the loading motor, the main slider 40 can be slid in the longitudinal direction (X-axis direction).
• the main slider 4 ⁇ is connected to the sub slide 5 ⁇ '-50 by the cam lever 0.
• the cam lever 70 has a rotation fulcrum 1 and engages with the cam groove 41 provided on the main slider 40 at pin 2 and engages with the cam groove provided on the sub-slider 50 at pin 4.
• This cam lever end 0 moves the sub-slider 50 in conjunction with the movement of the main slider 40, and operates the slider cam mechanism 51 and the lifting / lowering cam mechanism 52 by the movement of the sub-slider 50 to move the travel lever 30. It has a function to displace.
• the drive 30 is also supported on the base body 10 by a pair of fixed cams 36A and 36B.
• the pair of fixed cams 36A and 36B can be disposed between the fixed cams 34A and 34B and the sub slider 50, and can be disposed between the fixed cams 34A and 34B and the sub slider 50.
• the fixed cams 36A and 36B are each formed of a groove having a predetermined length and the same configuration as the fixed cams 34A and 34B.
• the cam pins 3A and 37B provided on the tray 30 slide in the grooves of the fixed cams 36A and 36B, thereby displacing the traverse 30 in the disk insertion direction. At the same time, it can be displaced in a direction to approach and separate from the base body 10.
• the above-described tray 30, fixed cams 34A, 34B, 36A, 36B, main slider 40, sub-slider 50, and loading motor are provided in the base body 10, and these members A disc insertion space is formed between the cover 130 and the cover 130.
• a first disk guide (not shown) having a predetermined length is provided on one end side of the base body 10 near the disk insertion slot 11.
• the cross section of the first disk guide viewed from the disk insertion direction has a U-shaped groove.
• the disc is supported by the groove.
• a pull-in lever 80 is provided at the other end near the disk insertion slot 11 of the base body “! 0”, and a second disk guide 81 is provided at the movable end of the pull-in lever 80.
• the second disk guide 81 is composed of a cylindrical roller, and is rotatably provided at the movable end of the pull-in lever 80.
• the roller of the second disk guide 81 is still in use.
• a groove is formed on the outer periphery, and the disk supports the groove.
• the pull-in lever 80 is arranged such that the movable end moves closer to the disk insertion roller 11 than the fixed end, and has a pivot point 82 at the fixed end.
• a third disk guide 84 having a predetermined length is provided between the movable end and the fixed end of the pull-in lever 8 '.
• the pull-in lever 80 has a pin 85, and the pull-in lever 80 operates when the pin 85 slides in the cam groove 42 of the main slider 14 ⁇ ⁇ ⁇ ⁇ . That is, The valve 80 operates so that the second disk guide 81 approaches and separates from the spindle motor 31A in accordance with the movement of the main slider 40.
• the base body 10 is provided with a discharge lever 100 °.
• a guide 101 is provided at a movable end on one end of the discharge lever 100.
• a rotation fulcrum 102 is provided at the other end of the discharge lever 100.
• the ejection lever 100 operates in conjunction with the movement of the main slider 40 by the pin 103 and the cam groove 43.
• a discharge lever 110 is provided on the side of the pace body 10 opposite to the discharge lever 100.
• a guide 111 is provided at a movable end of one end of the discharge lever 110.
• a rotation fulcrum 112 is provided on the other end of the discharge lever 110.
• the ejection lever 110 operates in the same manner as the movement of the ejection lever 10 ⁇ .
• a fixing pin 120 is provided on the rear side of the base body 10.
• the fixing pin 120 regulates the position of the disk when loading or chucking the disk.
• the chassis exterior is composed of a base body 1 ⁇ and a lid 130, and an opening 132 is provided in the center of the lid 130.
• the opening 132 is a circular opening having a radius larger than the center hole of the disk. Therefore, the opening is larger than the main body 150 of the spindle motor 31A of the spindle motor 31A fitted into the center hole of the disk.
• a diaphragm 133 is formed so as to protrude toward the base body 10.
• No. 27 is a plan view of a main part of the base body showing a state in which the first predetermined time has passed since the start of the chucking operation of the disk of the disk device, FIG. It is a side view of the sub slider in the same state.
• FIG. 30 is a plan view of a main part of the base body showing a state after a second predetermined time has elapsed from the state of FIG. 2
• FIG. 31 is a cross-sectional view of the main part in the same state
• FIG. 32 is a state of the same state. It is a side view of a sub slider.
• FIG. 33 is a plan view of a main part of the base main body showing a state in which the traverse is at the highest position after a third predetermined time has elapsed from the state of FIG. 30,
• FIG. 34 is a sectional side view of the main part in the same state,
• FIG. 35 is a side view of the sub-slider in the same state.
• FIG. 36 is a plan view of a main part of the base body showing a recording / reproducing state of the disc after a fourth predetermined time has elapsed from the state of FIG. 33
• FIG. 3 is a sectional side view of the main part in the same state.
• 38 is a side view of the sub-slider in the same state.
• the traverse 30 is located at the rearmost side and closest to the base body 10 side.
• the slide bin 53 is positioned at one end (the main slider 140 side) of the slide cam mechanism 51. Therefore, the traverse 3 ⁇ is located at 7 £, which is closest to the rear side.
• the cam pins 35A and 35B are located at the other ends of the grooves of the fixed cams 34A and 34B. Therefore, the other end side (the pickup 32 side) of the traverse 30 is arranged at a position closest to the base body 10.
• the elevating pin 54 is located at one end (the main slider 40 side) of the elevating cam mechanism 52. Therefore, one end side (spindle motor 31 A side) of the trouble track 30 is arranged at a position closest to the base body 10.
• the slider moves in the direction of the main slider 40 or the disc insertion slot 11, and the sub-slider 50 moves in the direction of the main slider 40 with the movement of the main slider 40.
• the traverse 30 moves by the first X-axis distance in the direction of the disc insertion slot 11.
• the other end of the traverse 30 is arranged at a position separated from the base body 1 by the first ⁇ -axis distance.
• the slide pin 53 moves the slide cam mechanism 51 by the first Y-axis distance
• the traverse 30 moves by the first X-axis distance in the direction of the disk insertion roller 11.
• the cam pins 35A and 35B move the first X-axis distance in the direction of one end of the groove of the fixed cams 34A and 34B, and move the other end of the traverse 30 (the pickup 32 side).
• the lifting pin 54 moves from the one end (main slider 40 side) end of the lifting cam mechanism 52 by the first ⁇ -axis distance, but the groove within the range of the first ⁇ -axis distance is the same height.
• one end side of the traverse 30 (the spindle motor 31 A side) is held at a position closest to the pace body 10. From the state shown in FIG. 2, when the main slider 4 ⁇ ⁇ ⁇ further moves in the direction of the disc insertion slot 11, the sub-slider 50 further moves in the direction of the main slider 40. Then, in a state in which the chucking operation is further performed for a second predetermined time from the state shown in FIG. 2, as shown in FIGS. 30 to 32, the other end of the traverse 30 is moved from the base body 10. It is arranged at a position separated by the second Z-axis distance (second Z-axis distance> first Z-axis distance).
• the slide pin 53 moves the slide cam mechanism 51 by the second Y-axis distance.
• the groove of the slide cam mechanism 51 moves in the moving direction of the sub-slider 50 (
• the traverse 30 does not move in the direction of the disc insertion slot 11 because the traverse 30 is provided on the ⁇ row. Therefore, the cam pins 35A and 35B do not move in the grooves of the fixed cams 34A and 34B.
• the elevating pin 54 moves the groove of the elevating cam mechanism 52 by the second axis distance, and moves one end (the spindle motor 31 A side) of the traverse 30 from the base body 10 to the second Z-axis. Move by the axial distance.
• the sub-slider 50 By further moving the main slider 40 in the direction of the disc insertion slot 11 from the state shown in FIG. 3 ⁇ , the sub-slider 50 further moves in the direction of the main slider 40. Then, in the lying state in which the chucking operation is further performed for a third predetermined time from the state shown in FIG. 30, as shown in FIGS. 33 to 35, the other end side of the traverse 30 is most proximate to the base body 10. Separated and placed at the third Z-axis distance.
• the slide pin 53 moves the slide cam mechanism 51 by the third Y-axis distance.
• the groove of the slide cam mechanism 51 moves in the movement direction of the sub-slider 50 (Y-axis).
• the traverse 30 does not move in the direction of the disk entrance 11. Therefore, the cam pins 35A and 35B do not move in the grooves of the fixed cams 34A and 34B.
• the elevating pin 54 moves the groove of the elevating cam mechanism 52 by the third Y-axis distance, and moves one end (the spindle motor 31A side) of the traverse 30 from the base body 10 to the third Z-axis. Move to the distance (maximum rising height). In this state, the chucking of the hub body 150 to the disk is completed.
• the main slider 40 further moves in the direction of the disc insertion slot 11 from the state shown in 33, whereby the sub-slider 50 further moves in the direction of the main slider 40. Then, as shown in FIG. 36 to FIG. 38, the traverse 30 moves in the direction of the disk insertion slot 11 and the other end of the traverse 30 moves in the direction approaching the base body 10. The first Z-axis distance.
• the slide pin 53 moves the slide cam mechanism 51 by the fourth X-axis distance, and the traverse 30 moves by the second X-axis distance in the direction of the disk inlet 11.
• the cam pins 35A and 35B move by the second X-axis distance toward one end of the groove of the fixed cams 34A and 34B, but the other end of the traverse 30 (the pickup 32 side) It doesn't change.
• the lifting pin 54 moves the groove of the lifting cam mechanism 52 by the fourth ⁇ -axis distance, and moves one ⁇ side (spindle motor 31 ⁇ side) of the traverse 30 in the direction of the base body 10, so that the first At the position of the Z-axis distance of.
• the disc is separated from the lid 130 and also from the fixing pin 120, so that the disc is in the reproduction / recording state.
• the loaded disc is ejected by driving the loading motor and moving the main slider 40 in the direction of the other end. Basically, the above operation is performed in reverse.
• FIG. 39 and FIG. 40 are side views of relevant parts showing the nail main body according to the first embodiment.
• the rear end surface 173 of the claw portion 1 1 has a first surface 173 B with which the upper portion of the coil spring 180 contacts, and a second surface 1 with which the lower portion of the coil spring 180 contacts. ing.
• Either the first face 173B or the second face 173C is constituted by the rear end face 173. May be.
• the first side 1B 3B and the second side 1B 3C according to the present embodiment are formed in substantially parallel planes, and the first side 1B 3B is replaced with the second side 1B 3C.
• the first surface 1B 3B and the second surface 173C form a step by being depressed.
• the second surface 173C in a state where the coil spring 180 is in contact with the second surface 173C, the second surface 173C is perpendicular to the virtual center axis of the coil spring 180. It is composed.
• FIG. 41 and FIG. 42 are side views showing the main parts of the claw body according to the second embodiment.
• first face 1D3 where the upper part of the coil spring 180 contacts
• second face 1E3 which the lower part of the coil spring 180 contacts.
• first surface 1 3D or the second surface 173E may be constituted by the rear end surface 173.
• the first surface 173D and the second surface 1R 3E according to the present embodiment are configured as substantially parallel surfaces, and the second surface 173E is recessed with respect to the first surface 173D. As a result, the first surface 1R 3D and the second surface 173E form a step.
• the first surface 173D is a surface perpendicular to the virtual center axis of the coil spring 180 in a state where the coil spring 180 is in contact with the first surface 173D. It is composed. -According to the present invention, it is possible to reduce the thickness and size of a disk device.
• the disk device can be made thinner by reducing the height space for inserting the disk above the turntable in the standby state where the disk is not inserted into the disk device.
• the coil spring can be prevented from bending, and a stable elastic force can be imparted.
• the chucking device of the present invention is useful for a so-called notebook type personal computer body in which a display means, an input means, an arithmetic processing means, and the like are integrated, or a disk device which is integrally set.

Landscapes

• Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=34918038

Family Applications (1)

Country Status (5)

Families Citing this family (13)

Citations (4)

Family Cites Families (7)

• 2004
  • 2004-03-04 JP JP2004061019A patent/JP2005251303A/ja active Pending
  • 2004-11-16 WO PCT/JP2004/017323 patent/WO2005086153A1/ja active Application Filing
  • 2004-11-16 CN CNA2004800422690A patent/CN1926618A/zh active Pending
  • 2004-11-16 US US10/591,616 patent/US7493632B2/en not_active Expired - Fee Related
  • 2004-11-19 TW TW093135666A patent/TW200531012A/zh unknown

Patent Citations (4)

Also Published As

Similar Documents

Legal Events